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AWS BAu-4 vs. Nickel 625

AWS BAu-4 belongs to the otherwise unclassified metals classification, while nickel 625 belongs to the nickel alloys. There are 15 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is AWS BAu-4 and the bottom bar is nickel 625.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.4
0.29
Shear Modulus, GPa 41
79
Tensile Strength: Ultimate (UTS), MPa 200
790 to 910

Thermal Properties

Latent Heat of Fusion, J/g 100
330
Melting Completion (Liquidus), °C 950
1350
Melting Onset (Solidus), °C 950
1290
Specific Heat Capacity, J/kg-K 190
440
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Density, g/cm3 17
8.6

Common Calculations

Stiffness to Weight: Axial, points 3.6
13
Stiffness to Weight: Bending, points 9.3
23
Strength to Weight: Axial, points 3.2
26 to 29
Strength to Weight: Bending, points 4.4
22 to 24
Thermal Shock Resistance, points 9.2
22 to 25

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
20 to 23
Cobalt (Co), % 0
0 to 1.0
Gold (Au), % 81.5 to 82.5
0
Iron (Fe), % 0
0 to 5.0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 17.4 to 18.5
58 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0 to 0.4
Residuals, % 0 to 0.15
0